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First Layer Calibration Thickness question  

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keith.g5
(@keith-g5)
Eminent Member
First Layer Calibration Thickness question

Hello again

Question: What is the optimum First Layer Calibration Thickness as Measured dimensionaly?

I know manual shows graphic images suggesting the correct setting. I understand that. It does not give a physical dimension! I have my micrometers on my printing table and can easily measure the layer. So ,20mm ,25mm maybe? Does anyone know the answer? I understand that parallel/adjacent lines squish together to become more solid.
TIA
-Keith

Postato : 03/10/2018 7:29 pm
JBinFL
(@jbinfl)
Reputable Member
Re: First Layer Calibration Thickness question

Keith:

The life z adjust my way thread under the assembly/first prints troubleshooting subheading has information on this. It is on the first 2 pages of that thread confirmed. Of course, it does depend on what filament you are printing and printer settings.

Assuming you are using PLA and standard settings, my understanding is 0.20MM thickness in the middle of the first layer is what you shoot for. Having said that, I have never achieved a thickness of 0.20MM. Closest is 0.22MM and my prints are fine and stick well. My understanding from that thread is as you dial the z value closer to optimal, the thickness decreases and approaches 0.20MM and then goes back up. That is to say it is an upside down bell curve or parabola and not a linear progression. e.g. you will not continue to decrease thickness the farther you adjust. If that makes sense.

Hope that helps.

edit for clarity and correctness

Strange women, laying in ponds, distributing swords, is hardly a basis for a system of governance!

Postato : 04/10/2018 12:51 am
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